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Independent Tests of Anti-Virus Software · The tests were performed on a machine with an Intel...
Transcript of Independent Tests of Anti-Virus Software · The tests were performed on a machine with an Intel...
Independent Tests of Anti-Virus Software
Performance Test Impact of Consumer Security Software
on System Performance
TEST PERIOD: APRIL 2020 LANGUAGE: ENGLISH LAST REVISION: 5TH MAY 2020 WWW.AV-COMPARATIVES.ORG
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Contents
INTRODUCTION 3
TESTED PRODUCTS 3
TEST METHODS 4
NOTES AND COMMENTS 5
TEST CASES 7
TEST RESULTS 8
AWARD LEVELS REACHED IN THIS TEST 11
COPYRIGHT AND DISCLAIMER 12
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Introduction
The Performance Test evaluates the impact of anti-virus software on system performance, as programs
running in background – such as real time protection antivirus software – use some percentage of
system resources. Taking these tests as reference, users can evaluate their anti-virus protection in
terms of system speed (system performance). For further details please refer to the
methodology documents as well as the information provided on our website. We want to make clear
that the results in this report are intended only to give an indication of the impact on system
performance (mainly by the real-time/on-access components) of the consumer security products in
these specific tests. Users are encouraged to try out the software on their own PC’s and see how it
performs on their own systems.
Tested products
The following products for 64-bit systems were evaluated in this test:
Avast Free Antivirus 20.2
AVG Free Antivirus 20.2
AVIRA Antivirus Pro 15.0
Bitdefender Internet Security 24.0
ESET Internet Security 13.1
F-Secure SAFE 17.7
G Data Internet Security 25.5
K7 Total Security 16.0
Kaspersky Internet Security 20.0
McAfee Total Protection 23.0
Microsoft Windows Defender 4.18
NortonLifeLock Norton 360 Deluxe 22.20
Panda Free Antivirus 20.0
Total AV Antivirus Pro 5.5
Total Defense Essential Antivirus 12.0
Trend Micro Internet Security 16.0
VIPRE Advanced Security 11.0
This test includes both “Antivirus” and “Internet Security” consumer products – both referred to as
security products. We have tested the same products that are included in the protection tests of the
Consumer Main Test Series. Please note that the results in this report apply only to the specific product
versions listed above (i.e. to the exact version numbers and to 64-bit systems). Also, keep in mind
that different vendors offer different (and differing numbers of) features in their products.
The following activities/tests were performed under an up-to-date Windows 10 1909 64-Bit system:
• File copying
• Archiving / unarchiving
• Installing / uninstalling applications
• Launching applications
• Downloading files
• Browsing Websites
• PC Mark 10 Professional Testing Suite
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Test methods
The tests were performed on a machine with an Intel Core i3 CPU, 4GB of RAM and SSD hard disks. We
consider this machine configuration as “low-end”. The performance tests were done on a clean
Windows 10 1909 64-Bit system (English) and then with the installed consumer security software
(with default settings). The tests were done with an active Internet connection to allow for the real-
world impact of cloud services/features.
Care was taken to minimize other factors that could influence the measurements and/or comparability
of the systems. Optimizing processes/fingerprinting used by the products were also considered – this
means that the results represent the impact on a system which has already been operated by the user
for a while. The tests were repeated several times (with and without fingerprinting) in order to get
median values and filter out measurement errors. After each run, the workstation was reverted to the
previously created system image and rebooted six times. We simulated various file operations that a
computer user would execute: copying1 different types of clean files from one place to another,
archiving and unarchiving files, downloading files from the Internet and launching applications
(opening documents).
We believe that increasing the number of iterations increases our statistical precision. This is
especially true for performance testing, as some noise is always present on real machines. We perform
each test multiple times and provide the median as result.
We also used a third-party, industry-recognized performance testing suite (PC Mark 10 Professional)
to measure the system impact during real-world product usage. We used the predefined PCMark 10
Extended test. Readers are invited to evaluate the various products themselves, to see what impact
they have on their systems (due to e.g. software conflicts and/or user preferences, as well as different
system configurations that may lead to varying results).
Security products need to load on systems at an early stage to provide security from the very beginning
– this load has some impact on the time needed for a system to start up. Measuring boot times
accurately is challenging. The most significant issue is to define exactly when the system is fully
started, as many operating environments may continue to perform start-up activities for some time
after the system appears responsive to the user. It is also important to consider when the protection
provided by the security solution being tested is fully active, as this could be a useful measure of boot
completion as far as the security solution is concerned. Some security products load their services
very late at boot (or even minutes later). Users may notice that sometime after the system has loaded,
it will become very slow for a little while; thus, it initially looks as though the system has loaded very
quickly, but in fact the security product just loads its services belatedly, leaving the system more
vulnerable. As we find this misleading, we still do not publish boot times in our reports.
1 We use around 5GB of data consisting of various file types and sizes (pictures, movies, audio files, MS Office
documents, PDF documents, applications/executables, Windows operating system files, archives, etc.).
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Notes and comments
The on-access/real-time scanner component of anti-virus software runs as a background process to
check all files that are accessed, in order to protect the system continuously against malware threats.
For example, on-access scanners scan files as soon as they are accessed, while (e.g.) behaviour-
blockers add a different layer of protection and monitor what the file does when it is already
executed/running. The services and processes that run in the background to do these tasks also require
and use system resources.
Security products need to be active deep in the system in order to protect it, e.g. to scan processes
and so on that are already active during the system start-up, to identify rootkits and other malware.
Those procedures add some extra time and thus a delay in system boot/start up.
If a product takes up too many system resources, users get annoyed and may either disable or uninstall
some essential protective features (and thus considerably compromise the security of their system) or
may switch to security software that is less resource-hungry. Therefore, it is important not only that
anti-virus software provide high detection rates and good protection against malware, but also that
it does not degrade system performance or trouble users.
While this report looks at how much impact various Internet security products have on system
performance, it is not always the security software that is principally responsible for a slow system.
Other factors also play a role, and if users follow some simple rules, system performance can be
improved noticeably. The next sections address some of the other factors that may play a part.
A few common problems observed on some user PCs:
- Old hardware: If a PC already runs at a snail’s pace because it has ten-year-old hardware,
using modern (security) software may make it unusable.
o If possible, buy a new PC that at least meets the minimum recommended requirements
of the software you want to use.
o Use solid-state drives (SSDs).
o Adding more RAM does not hurt.
o If you still use Windows XP, Vista, 7, 8 or 8.1, switch to Windows 10 64-Bit.
o Make sure you have only ONE security program with real-time protection. If your new
PC came with a trial security suite, remove this before installing a different protection
program.
- Keep all your software up-to-date: Using an anti-virus version from e.g. 2018 may not
protect you as well as the newer version would, even though you may still be able to update
the signatures. Please keep your operating system up-to-date by installing the recommended
patches. Any software can have vulnerabilities and bugs, so keep all the software installed
on your PC up-to-date: this will not only protect you against many exploits and
vulnerabilities, but also give you any other application improvements that have been
introduced.
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- Clean up the content of your hard disk:
o If your hard disk is almost full, your system performance will suffer accordingly. Leave at least
20% of your disk space free and transfer your movies and other infrequently accessed files to
another (external) disk.
o Uninstall unneeded software. Often, the slowdown that users notice after installing an anti-
virus product is due to other software on the PC running in the background (that is, due to
software conflicts or heavy file access by other programs, each access requiring anti-virus
scanning).
o Remove unneeded entries/shortcuts from the Start-Up folder in the All Programs menu.
o If your PC is already cluttered with residual files and registry entries left over by hundreds of
applications you installed and uninstalled after trying them out, reinstall a clean operating
system and install only software you really need (fewer software installations means fewer
potential vulnerabilities and conflicts, and so on) and use e.g. an image/backup tool in order
to return to a clean system without reinstalling everything.
- Fingerprinting/Optimization: most anti-virus products use various technologies to decrease their
impact on system performance. Fingerprinting is such a technology, where already scanned files
do not get rescanned for some time or (more rarely) or are whitelisted. This increases the speed
considerably (especially after a longer period of PC usage), but also adds some potential risk, as
not all files are scanned anymore. It is up to the user to decide what to do. We suggest regularly
performing a full-system scan (to be sure that all files are at least currently found to be clean,
and to further optimize the fingerprinting).
- Be patient: a delay of a few additional seconds due to security software is not necessarily a big
deal. However, if even with the suggestions above the performance of your PC still annoys you,
you should consider trying out another anti-virus product. If you only notice a slow-down after
using the anti-virus for a long time, there are probably other factors behind the slowdown. Never
reduce your security by disabling essential protection features, just in the hope of gaining a
slightly faster PC!
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Test cases
We strive to make our tests as meaningful as we can, and so continually improve our test
methodologies. Future tests will be further improved and adapted to cover real-life scenarios even
better.
File copying:
We copied a set of various common file types from one physical hard disk to another physical hard
disk. Some anti-virus products might ignore some types of files by design/default (e.g. based on their
file type), or use fingerprinting technologies, which may skip already scanned files in order to increase
the speed.
Archiving and unarchiving:
Archives are commonly used for file storage, and the impact of anti-virus software on the time taken
to create new archives or to unarchive files from existing archives may be of interest for most users.
We archived a set of different file types that are commonly found on home and office workstations.
Installing/uninstalling applications:
We installed several common applications with the silent install mode, then uninstalled them and
measured how long it took. We did not consider fingerprinting, because usually an application is
installed only once.
Launching applications:
Microsoft Office (Word, Excel, PowerPoint) and PDF documents are very common. We opened and then
later closed various documents in Microsoft Office and in Adobe Acrobat Reader. The time taken for
the viewer or editor application to launch was measured. Although we list the results for the first
opening and the subsequent openings, we consider the subsequent openings more important, as
normally this operation is done several times by users, and optimization of the anti-virus products
take place, minimizing their impact on the systems.
Downloading files:
Common files are downloaded from a local server and public webserver.
Browsing Websites:
Common websites are opened with Google Chrome. The time to completely load and display the website
was measured. We only measure the time to navigate to the website when an instance of the browser
is already started.
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Test Results
These specific test results show the impact on system performance that a security product has,
compared to the other tested security products. The reported data just gives an indication and is not
necessarily applicable in all circumstances, as too many factors can play an additional part. The testers
defined the categories Slow, Mediocre, Fast and Very Fast by consulting statistical methods and taking
into consideration what would be noticed from the user’s perspective, or compared to the impact of
the other security products. If some products are faster/slower than others in a single subtest, this is
reflected in the results.
Slow Mediocre Fast Very Fast
The mean value of the products in this cluster builds a clearly slower
fourth cluster in the given subcategory
The mean value of the products in this cluster
builds a third cluster in the given subcategory
The mean value of the products in this group is higher than the average of all scores in the given
subcategory
The mean value of the products in this group is
lower than the average of all scores in the given
subcategory
Overview of single AV-C performance scores
File copying Archiving/
unarchiving
Installing/
uninstalling
applications
Launching
applications Downloading
files
Browsing
Websites On first run
On subsequent
runs
On first run
On subsequent
runs
Avast
AVG
Avira
Bitdefender
ESET
F-Secure
G Data
K7
Kaspersky
McAfee
Microsoft
NortonLifeLock
Panda
Total AV
Total Defense
Trend Micro
VIPRE
Key:
Slow Mediocre Fast Very fast
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PC Mark Tests
In order to provide an industry-recognized performance test, we used the PC Mark 10 Professional
Edition2 testing suite. Users using PC Mark 10 benchmark3 should take care to minimize all external
factors that could affect the testing suite, and strictly follow at least the suggestions documented
inside the PC Mark manual, to get consistent and valid/useful results. Furthermore, the tests should
be repeated several times to verify them. For more information about the various consumer scenarios
tests included in PC Mark, please read the whitepaper on their website4.
“No security software” is tested on a baseline5 system without any security software installed, which
scores 100 points in the PC Mark 10 benchmark.
PC Mark
Score
Baseline 100
K7 99.2
VIPRE 99.1
F-Secure 98.8
ESET 98.5
Total Defense 98.4
Total AV 98.0
Kaspersky 97.9
McAfee 97.8
NortonLifeLock 97.3
Microsoft 97.2
Bitdefender 97.1
Panda 97.0
Avira 96.7
Avast, AVG 96.5
G Data 96.2
Trend Micro 94.5
2 For more information, see https://benchmarks.ul.com 3 PCMark® is a registered trademark of Futuremark Corporation / UL. 4 http://s3.amazonaws.com/download-aws.futuremark.com/PCMark_10_Technical_Guide.pdf (PDF) 5 Baseline system: Intel Core i3 machine with 4GB RAM and SSD drive
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Summarized results
Users should weight the various subtests according to their needs. We applied a scoring system to
sum up the various results. Please note that for the File Copying and Launching Applications subtests,
we noted separately the results for the first run and for subsequent runs. For the AV-C score, we took
the rounded mean values of first and subsequent runs for File Copying, whilst for Launching
Applications we considered only the subsequent runs. “Very fast” gets 15 points, “fast” gets 10 points,
“mediocre” gets 5 points and “slow” gets 0 points. This leads to the following results:
AV-C Score PC Mark Score TOTAL Impact Score
K7 90 99.2 189.2 0.8
Kaspersky 90 97.9 187.9 2.1
McAfee 90 97.8 187.8 2.2
ESET 88 98.5 186.5 3.5
Bitdefender 88 97.1 185.1 4.9
VIPRE 85 99.1 184.1 5.9
Panda 85 97.0 182.0 8.0
F-Secure 83 98.8 181.8 8.2
NortonLifeLock 80 97.3 177.3 12.7
Avast, AVG 80 96.5 176.5 13.5
Avira 78 96.7 174.7 15.3
Total Defense 75 98.4 173.4 16.6
Total AV 75 98.0 173.0 17.0
Microsoft 70 97.2 167.2 22.8
G Data 70 96.2 166.2 23.8
Trend Micro 70 94.5 164.0 25.5
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Award levels reached in this test
The following award levels are for the results reached in this performance test report. Please note that
the performance test only tells you how much impact a security product may have on a system
compared to other consumer security products (please read the note on page 8); it does not say
anything about the effectiveness of the protection a product provides, so please have also a look at
the results of recent Real-World Protection and Malware Protection tests on our website.
Awards Products
� K7
� Kaspersky
� McAfee
� ESET
� Bitdefender
� VIPRE
� Panda
� F-Secure
� NortonLifeLock
� Avast
� AVG
� Avira
� Total Defense
� Total AV
� Microsoft
� G Data
� Trend Micro
-
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Copyright and Disclaimer
This publication is Copyright © 2020 by AV-Comparatives®. Any use of the results, etc. in whole or in
part, is ONLY permitted after the explicit written agreement of the management board of AV-
Comparatives prior to any publication. AV-Comparatives and its testers cannot be held liable for any
damage or loss, which might occur as result of, or in connection with, the use of the information
provided in this paper. We take every possible care to ensure the correctness of the basic data, but a
liability for the correctness of the test results cannot be taken by any representative of AV-
Comparatives. We do not give any guarantee of the correctness, completeness, or suitability for a
specific purpose of any of the information/content provided at any given time. No one else involved
in creating, producing or delivering test results shall be liable for any indirect, special or consequential
damage, or loss of profits, arising out of, or related to, the use or inability to use, the services provided
by the website, test documents or any related data.
For more information about AV-Comparatives and the testing methodologies, please visit our website.
AV-Comparatives
(May 2020)